But Darwin also investigated coral reefs and their formation.

但达尔文也调查了珊及其形成方式。

But when reefs are bleached or damaged, the fish flee, and the reef suffers.

但当珊化或受损后，鱼群会逃走，石也会遭受破坏。

Warming oceans can harm coral reefs, which turtles need to survive.

海洋变暖会损害海龟赖以生存的珊。

They're becoming more frequent, giving the reef less time to recover.

珊化越来越频繁，供珊恢复的时间越来越短。

The open ocean beyond their shallow reef is, in fact, a huge barrier.

外海，即浅之外的水，实际上个巨大的障碍。

We have to remember that there are still coral reefs that are alive.

我们必须记住，珊还活着。

Almost all of this is ocean and living coral reefs that protect the islands.

保护岛屿的几乎都海洋和生物珊。

Cozumel is part of the Mesoamerican Barrier Reef, the world's second largest reef.

科兹美岛属於中美洲大堡的一部份，界上第二大的珊。

The island nation boasts brilliant white sands, clear waters and vibrant coral reefs.

个群岛拥有洁无瑕的沙滩，清澈透明的海水及充满生机的珊。

They've never seen the reef, they've never even seen the outdoor light.

他们从来没有见过珊，甚至从来没有接触过户外的光线。

The archipelago is celebrated for its rich marine life and underwater coral reefs.

个群岛以其丰富的海洋生物和水下珊而闻名。

Couples can enjoy the white beaches, clear waters and vibrant coral reefs around Palawan Island.

情侣们可以享受巴拉望岛周围的色海滩、清澈的海水和充满活力的珊。

Coral reefs are already appreciated for their beauty.

珊绚丽的外表已备受赞赏。

Like coral reefs, they are a nursery for the oceans.

像珊一样它们海洋的托儿所。

There's still time to save the reef.

我们还有时间拯救珊。

The great barrier reef is the world's largest network of coral structures.

大堡界最大的珊群。

He used to go fishing on the reef.

他也常常到石上去钓鱼。

It found them to be the biggest current threat to the world's coral reefs.

研究发现，它们目前界上珊面临的最大威胁。

If you were to go to most coral reefs today, you'd hear something like this.

你去看看现在大部分的珊，会听见样的声音。

This reef dweller is a popular fish.

种住在珊上的鱼很受欢迎。